Explanation

Lack of insulin causes diabetes.

Diabetes is a condition that happens when your blood sugar (glucose) is too high.

It develops when your pancreas doesn't make enough insulin.

Explanation

Predator

Carnivores are meat-eating organisms, most often animals.

Carnivores that hunt other animals are called predators.

Hunted animals are called prey.

The animal diet determines where in the food chain, a series of organisms that provide energy and nutrients to other organisms.

Explanation

Argon is a commonly used gas used to fill incandescent light bulbs.

It increases bulb life by preventing the tungsten filaments from deteriorating too quickly.

Other gases are also used in lighting such as:

• Helium
• Neon
• Nitrogen
• Krypton

Explanation

Gastric juice, containing hydrochloric acid and digestive enzymes.

It is secreted by the glands in the stomach to aid in food digestion.

Explanation

Heinrich Rudolf Hertz discovered electromagnetic waves in 1887, experimentally confirming James Clerk Maxwell's predictions.

Hertz demonstrated the existence of radio waves, a type of electromagnetic wave, using a simple apparatus.

Explanation

The Central Nervous System (CNS) comprises the:

These two structures are the core of the nervous system, 

• The brain controls how we think, learn, move, and feel.
• The spinal cord carries messages back and forth between the brain and the nerves that run throughout the body..

Explanation

The theorem you mentioned is known as Pythagoras' Theorem, which states:

$$c^2 = a^2 + b^2$$

where:

• $c$ is the hypotenuse (the longest side of a right-angled triangle).
• $a$ and $b$ are the other two sides.

It was discovered by the ancient Greek mathematician Pythagoras and is fundamental in geometry.

Explanation

Light year refers to speed of light expressed in miles per year

(it is about ten trillion kilometers or six trillion miles).

Light year is a unit of distance.

Light Year: the distance that light can travel in one year. 

The distance light travels in one year is known as the light year.

Explanation

AB positive (AB+)

and O negative (O-) are considered universal blood types

because they can receive blood from all blood kinds

without experiencing any hemolytic reactions.

Explanation

The elements of the periodic table sorted by atomic number

Atomic number Name chemical element                 Symbol

1                         Hydrogen                                             H

2                         Helium                                                     He

3                         Lithium                                                      Li

******

RY 15-01-2023